from flask import Blueprint
# 创建蓝图对象
from flask import redirect
from flask import request
from flask import session
from flask import url_for

admin_blu = Blueprint("admin", __name__, url_prefix="/admin")
from . import views

@admin_blu.before_request
def check_admin():
    is_admin = session.get('is_admin', False)
    # 如果不是管理员或者url 不是以admin/login结尾那么就重定向到主页
    if not is_admin and not request.url.endswith(url_for('admin.login')):
        return redirect('/')